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问题 look out after,此处为啥要加个out

I mean, they're your friends, they're just looking out after you.look out after,此处为啥要加个out为什么不用look after谢谢老师指点

问题 until的时态问题

...什么这句主句用过去完成时？2. I didn't manage to do it until you had explained now.直到你解释了,我才会做。为什么该句主句用一般过去时，从句用过去完成时？3. He didn't leave the office until he finished his work.他完成他的工作后才离开办公室。...

问题 behind-the-scenes的相关构词知识

How well can you understand the lecture transcript about the behind-the-scenes aspects of film-making?这是高中英语新教材译林版必修2第1单元的句子(p14)。请专家老师介绍一下behind-the-scenes（幕后的；不公开的；秘密的）这样的构词法。谢谢！

问题 这里的 film, TV, theater 是不可数名词吗

I notice you’ve tried many different kinds of things: film, TV, and even theater.句子摘自2022年高考英语新全国卷Ⅱ听力的录音原文。句中的 film, TV, theater 是不可数名词吗？为什么前面没有用限定词或将它们改为复数？

问题 They kept these animals in a laboratory for a year, to acclimatise them, and then challenged them with various tasks which, if performed successfully, would yield a reward of food. 

经济学人里的某一句，tasks后面的which是做什么成分？这里没看懂，希望有强者答疑一下，谢谢

问题 want to A and B 和 want to A and to B 哪个是正确

专业老师好！want to do sth and do sth和want to do sth and to do sth，哪个是正确？请问，want后用and连接两个动词第二个动词还用加to吗？有疑惑，望解答，谢谢。

问题 说a large block of meat对吗

...是“块”“大块”，所以我在作文中用了这样一句：He came home with a a large block of meat and a lot of fresh fruit. 老师说这里的 block 用得不对，应改为 piece。这里一定要这样改一下吗？不改就错算了吗？请专家老师指教！

问题 修饰a pair of...的形容词放什么位置

前面有个网友提问：a pair of...作主语时的主谓一致。但我也有一个问题：修饰a pair of...的形容词放什么位置？an old pair of shoes 还是 a pair of old shoes?

问题 on a cheque此处用by替换可否

there is a very firm rule that the bank has no right or authority to pay out a customer's mony on a cheque on which its customer's signature has been forged.请教下，红色部分用by cheque是否可以？谢谢！

问题 定语从句中谓体附加状语句子附加状语的区分（amid which ）

The lives of most men are determined by their environment. They accept the circumstances amid which fate has thrown them not only with resignation but even with good will.【请问】请问这个句子里面amid which 是谓体附加状语（即，throw ... amid which）还是句子附加状语？...

问题 quite few与quite a few的用法与正误

在阅读中见过 quite a few，如：He speaks quite a few languages. 他会说好几种语言。I have quite a few books on art. 我有不少关于艺术的书。We still have quite a few miles to go. 我们还要走相当多英里的路。但是，好像没怎么见过 quite few 的用法。请...

问题 a和an用法

请老师介绍一下不定冠词 a 和 an 的用法，还有它们的区别。谢谢！

问题 a little too much如何理解

Clearly, the King liked his wine a little too much.老师，a little 是副词，too much 也是副词，为什么这样用，不明白？

问题 a stack of / stacks of

我在查单词Stack时，发现：There's stacks of work for me now.（新牛津）A stack of things is a pile of them.There were stacks of books on the bedside table and floor.（柯林斯）A stack of 100 dollar bills is approximately 0.43 inches thick.（互联网页面）从上面的例句是...

问题 a good deal可作副词嘛

From the middle-class family perspective, much of this, understandably, looks far less like an opportunity to exercise more financial responsibility, and a good deal more like a frightening acceleration of the wholesale shift of financial risk onto their already overburdened shoulders.这里的a goo...